Mankind is nolonger the sovereign of this planet and must share it with many other self-aware beings, though most of them were once human.
In addition to their bodies, the survivors of the fog inherited many skills, abilities and feats from their patrons from the other world.
From firearms to enchanted magic items and high-tech equipment. Everything can be scavenged, built, or taken. From others or from you.
Channel the power within and project it outward to summon elemental energies, create powerful enchantments and command the power of gods.